Use int debug level

examples/websocket-client/main.c

@@ -35,7 +35,7 @@ int main(void) {
   bool done = false;        // Event handler flips it to true
   struct mg_connection *c;  // Client connection
   mg_mgr_init(&mgr);        // Initialise event manager
-  mg_log_set("4");
+  mg_log_set(MG_LL_DEBUG);  // Set log level
   c = mg_ws_connect(&mgr, s_url, fn, &done, NULL);     // Create client
   while (c && done == false) mg_mgr_poll(&mgr, 1000);  // Wait for echo
   mg_mgr_free(&mgr);                                   // Deallocate resources